Double-frequency loudspeaker

Abstract

The utility model discloses a double-frequency loudspeaker, which comprises a body, an output sound channel formed on the body, a low-pitch unit arranged at one end of the output sound channel and outputting low-pitch sound waves to the output sound channel, and a high-pitch unit arranged in the output sound channel and extending outwards to form a sound amplification path. The high-pitch sound wave output by the high-pitch unit is combined with the low-pitch sound wave in the output sound channel after passing through the sound amplification channel and is output outwards, and the high-pitch sound wave output by the high-pitch unit is amplified by arranging the sound amplification channel, so that the attenuation degree of the high-pitch sound wave in transmission is effectively reduced, and the sound quality of a far end is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of loudspeakers, in particular to a dual-frequency loudspeaker. Background Art

[0002] Most existing loudspeakers use multiple sound units to achieve output. Among them, reference can be made to the prior patent with application number 201320074391.2, which discloses a coaxial dual-frequency loudspeaker, which specifically discloses that the tweeter and the midrange unit are coaxially arranged and the overlap of sounds in different frequency bands is achieved through an annular diaphragm. However, this type of device still has the following shortcomings when used: Since different sound waves have different attenuation characteristics, when the sound waves are transmitted over a long distance, it is easy to cause the treble sound wave volume to decrease at the far end, thereby causing the sound quality at the far end to decrease, so it needs to be improved. Utility Model Content

[0003] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a dual-frequency loudspeaker capable of reducing treble attenuation to improve far-end sound quality.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A dual-frequency speaker comprises a body, wherein an output sound channel is formed on the body;

[0006] A bass unit, the bass unit is arranged at one end of the output sound channel and outputs bass sound waves to the output sound channel;

[0007] A tweeter unit is arranged in the output sound channel, and the tweeter unit extends outward to form a sound amplification path. The treble sound waves output by the tweeter unit are combined with the bass sound waves in the output sound channel after passing through the sound amplification path and are output outward.

[0008] As a further improvement of the present invention, the tweeter and the woofer are coaxially arranged along the axis of the body.

[0009] As a further improvement of the present invention, the sound amplification passage extends toward the woofer.

[0010] As a further improvement of the utility model, the main body includes a mounting seat and a horn-shaped connecting seat, the end of the connecting seat is connected to the mounting seat, the output sound channel is a passage through the connecting seat, the woofer is arranged in the mounting seat, the tweeter is arranged corresponding to the center of the connecting seat, and the mounting seat is provided with a first output port corresponding to the output sound channel.

[0011] As a further improvement of the present invention, a connecting platform is provided at one end of the connecting seat close to the mounting seat, the connecting platform forms a connecting portion outwardly and is connected to the connecting seat, and the sound amplification passage is connected to the connecting platform.

[0012] As a further improvement of the present invention, a plurality of connecting columns are circumferentially arranged at one end of the sound amplification passage close to the bass unit, and one end of the connecting columns away from the sound amplification passage is connected to a connecting platform to form a second output port between the sound amplification passage and the connecting platform.

[0013] As a further improvement of the present invention, the tweeter unit includes a tweeter diaphragm and a tuning channel, a tuning cavity extends in the output channel toward the woofer unit, and the tuning channel covers the diaphragm and extends toward the tuning cavity.

[0014] The beneficial effect of the utility model is that the treble sound waves output by the treble unit are amplified by setting the sound amplification passage, thereby effectively reducing the attenuation of the treble sound waves during transmission, so as to improve the sound quality at the far end. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall installation of the utility model;

[0016] Figure 2 This is a cross-sectional schematic diagram of the installation of the sound amplification passage of the utility model;

[0017] Figure 3 This is a schematic diagram of the installation of the bass unit and the mounting base of the utility model;

[0018] Figure 4 It is a schematic diagram of the connecting seat of the utility model.

[0019] Figure numerals: 1. main body; 2. output channel; 3. woofer; 4. tweeter; 5. sound amplification passage; 6. mounting seat; 7. connecting seat; 8. first output port; 9. connecting platform; 10. connecting part; 11. connecting column; 12. second output port; 13. tweeter diaphragm; 14. tuning channel; 15. tuning cavity. DETAILED DESCRIPTION

[0020] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments, wherein the same components are indicated by the same reference numerals.

[0021] like Figure 1-4 As shown, a dual-frequency loudspeaker comprises a body 1 on which an output sound channel 2 is formed.

[0022] The bass unit 3 is also included. The bass unit 3 is arranged at one end of the output sound channel 2 and outputs bass sound waves to the output sound channel 2.

[0023] A tweeter unit 4 is also included. The tweeter unit 4 is arranged in the output sound channel 2. The tweeter unit 4 extends outward to form a sound amplification passage 5. The sound amplification passage 5 is used to amplify the treble sound waves output by the tweeter unit 4. The treble sound waves output by the tweeter unit 4 are combined with the bass sound waves in the output sound channel 2 after passing through the sound amplification passage 5 and are output outward.

[0024] When in use, the treble sound waves output by the tweeter 4 first pass through the sound amplification unit and are amplified by the sound amplification unit. Further, the amplified treble sound waves enter the output channel 2 and combine with the woofer 3 in the output channel 2 to complete the sound effect. Since the treble sound waves are pre-processed by the sound amplification path 5, the loss of the treble sound waves in the transmission process can be reduced to improve the far-end sound quality.

[0025] Preferably, in order to improve the fit of the sound fields of the tweeter unit 4 and the woofer unit 3 , the tweeter unit 4 and the woofer unit 3 are coaxially arranged along the axis direction of the body 1 .

[0026] The coaxially arranged tweeter 4 and woofer 3 can ensure a more uniform sound field in the output channel 2, thereby ensuring the stability of subsequent sound output.

[0027] Preferably, the sound amplification passage 5 extends toward the woofer 3 , and the sound amplification passage 5 in this direction can reduce the overall volume.

[0028] In addition, the sound amplification path may also extend in a direction away from the woofer 3 .

[0029] Preferably, the main body 1 includes a mounting seat 6 and a horn-shaped connecting seat 7, and the end of the connecting seat 7 is connected to the mounting seat 6. Specifically, the mounting seat 6 is arranged at the end of the connecting seat 7 with a smaller diameter, the output sound channel 2 is a passage through the connecting seat 7, the woofer 3 is arranged in the mounting seat 6, the tweeter 4 is arranged corresponding to the center of the connecting seat 7, and the mounting seat 6 is provided with a first output port 8 corresponding to the output sound channel 2.

[0030] There are multiple first output ports 8 , which are arranged around the axis of the mounting seat 6 .

[0031] When producing sound, the woofer 3 enters the output channel 2 through the first output port 8, and is further amplified through the speaker-shaped connecting socket 7. At the same time, the tweeter 4 enters the output channel 2 through the amplification passage 5, and combines with the woofer 3 to produce sound.

[0032] Preferably, in order to provide a specific installation method for the sound amplification passage 5, a connecting platform 9 is provided at one end of the connecting seat 7 close to the mounting seat 6, and the connecting platform 9 is arranged corresponding to the axis of the connecting seat 7 so that the tweeter unit 4 can be installed in the center of the connecting seat 7. The connecting platform 9 forms a connecting portion 10 outwardly and is connected to the connecting seat 7, and the sound amplification passage 5 is connected to the connecting platform 9.

[0033] In another embodiment, a connecting portion 10 may be provided on the outer side of the sound amplifying passage 5, and the connecting seat 7 may be connected through the connecting portion 10 to complete the installation.

[0034] Preferably, a plurality of connecting columns 11 are circumferentially arranged at one end of the sound amplification passage 5 close to the woofer 3 , and one end of the connecting column 11 away from the sound amplification passage 5 is connected to the connecting platform 9 to form a second output port 12 between the sound amplification passage 5 and the connecting platform 9 .

[0035] In this manner, the treble sound waves output by the tweeter 4 can obtain a longer integration with the woofer in the output channel 2 after passing through the second output port 12 , thereby increasing the subsequent output range of the tweeter 4 .

[0036] Preferably, the tweeter unit 4 includes a tweeter diaphragm 13 and a tuning channel 14 , a tuning cavity 15 extends in the output channel 2 toward the woofer 3 , and the tuning channel 14 covers the diaphragm and extends toward the tuning cavity 15 .

[0037] The tuning channel 14 can pre-process the treble sound waves output by the tweeter diaphragm 13 , thereby reducing the loss of the treble sound waves in the sound amplification passage 5 .

[0038] The above is only a preferred embodiment of the present invention. The protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. A dual-frequency speaker, characterized in that: It comprises a body (1), and an output sound channel (2) is formed on the body (1); A bass unit (3), the bass unit (3) being arranged at one end of the output sound channel (2) and outputting bass sound waves to the output sound channel (2); A tweeter unit (4), the tweeter unit (4) being arranged in the output sound channel (2), the tweeter unit (4) extending outward to form a sound amplification passage (5), the treble sound waves output by the tweeter unit (4) passing through the sound amplification passage (5) are combined with the bass sound waves in the output sound channel (2) and output outward.

2. A dual-frequency speaker according to claim 1, characterized in that: The tweeter unit (4) and the bass unit (3) are coaxially arranged along the axis of the body (1).

3. A dual-frequency speaker according to claim 1, characterized in that: The sound amplification passage (5) extends towards the bass unit (3).

4. The dual-frequency speaker according to claim 1, characterized in that: The body (1) comprises a mounting seat (6) and a horn-shaped connecting seat (7), the end of the connecting seat (7) is connected to the mounting seat (6), the output sound channel (2) is a passage through the connecting seat (7), the bass unit (3) is arranged in the mounting seat (6), the tweeter unit (4) is arranged corresponding to the center of the connecting seat (7), and the mounting seat (6) is provided with a first output port (8) corresponding to the output sound channel (2).

5. A dual-frequency speaker according to claim 4, characterized in that: A connecting platform (9) is provided at one end of the connecting seat (7) close to the mounting seat (6); the connecting platform (9) forms a connecting portion (10) outwardly and is connected to the connecting seat (7); and the sound amplification passage (5) is connected to the connecting platform (9).

6. A dual-frequency speaker according to claim 5, characterized in that: A plurality of connecting columns (11) are circumferentially arranged at one end of the sound amplification passage (5) close to the bass unit (3); and one end of the connecting column (11) away from the sound amplification passage (5) is connected to a connecting platform (9) so that a second output port (12) is formed between the sound amplification passage (5) and the connecting platform (9).

7. The dual-frequency speaker according to claim 1, characterized in that: The tweeter unit (4) comprises a tweeter diaphragm (13) and a tuning channel (14); a tuning cavity (15) is provided in the output channel (2) extending in the direction of the woofer unit (3); and the tuning channel (14) covers the diaphragm and extends in the direction of the tuning cavity (15).

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